Sum-log

The sum of two numbers is 32, the sum of their logarithms (base 10) is 2.2. Determine these numbers.

Result

x =  25.875
y =  6.125

Solution:  Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! To solve this example are needed these knowledge from mathematics:

Looking for help with calculating roots of a quadratic equation? Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Next similar examples:

1. Exponential equation Solve exponential equation (in real numbers): 98x-2=9
2. Water lilies Water lilies are growing on the pond and their number is doubled every day. The whole layer is covered in 12 days. How many days will it cover 8 layers?
3. Ball game Richard, Denis and Denise together scored 932 goals. Denis scored 4 goals over Denise but Denis scored 24 goals less than Richard. Determine the number of goals for each player.
4. Unknown number I think number. If subtract from the twelfth square the ninth square I get a number 27 times greater than the intended number. What is this unknown number?
5. Theorem prove We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
6. Discriminant Determine the discriminant of the equation: ?
7. Roots Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
8. Equation Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
9. Intercept with axis F(x)=log(x+4)-2, what is the x intercept
10. Powers 3 2 to the power of n divided by 4 to the power of -3 equal 4. What is the vaule of n?
11. The city 3 The city has 22,000 residents. How long it is expected to have 25,000 residents if the average annual population growth is 1.4%? Find the roots of the quadratic equation: 3x2-4x + (-4) = 0. Solve quadratic equation: (6n+1) (4n-1) = 3n2 If 5x + x² > 100, then x is not On the trip went men, women and children in the ratio 2:3:5 by bus. Children pay 60 crowns and adults 150. How many women were on the bus when a bus was paid 4,200 crowns? Calculate the roots of the equation: ? Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144